Portable speaker



FIG. 1 is a perspective view of portable speaker showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right another side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view taken along line 8-8 of FIG. 4 thereof;and,

FIG. 9 is a cross-sectional view taken along line 9-9 of FIG. 4 thereof.

CLAIM I claim the ornamental design for a “portable speaker,” as shownand described.